Finding the Fourth Proportional to 142,489,396.82, 213,872,306.26 and 68,765,059.74
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Solution
The fourth proportional to 142,489,396.82, 213,872,306.26 and 68,765,059.74 is: 103,214,289.94
Step by Step Solution
- Step 1: Write the proportion equation
142,489,396.82 : 213,872,306.26 = 68,765,059.74 : x - Step 2: Convert to fraction form
142,489,396.82/213,872,306.26 = 68,765,059.74/x - Step 3: Cross multiply
142,489,396.82x = 213,872,306.26 × 68,765,059.74 - Step 4: Simplify right side
142,489,396.82x = 14,706,941,916,700,474 - Step 5: Solve for x
x = 14,706,941,916,700,474/142,489,396.82 - Step 6: Final answer
x = 103,214,289.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.